Wow, looks great! ________________________________
Von: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] Im Auftrag von Kim C Bale Gesendet: Dienstag, 5. Mai 2009 21:11 An: osg-users@lists.openscenegraph.org Betreff: [osg-users] osgOcean release Hello all, Many moons ago I emailed the list to announce my intentions of releasing an ocean rendering library for the OSG. Well after many delays and things getting in the way i've put some code up for your perusal. http://code.google.com/p/osgocean/ At the moment i have only put the surface simulation and ocean rendering code online there is more to follow. But I wanted to get this out as a point for discussion. It uses a precomputed FFT ocean simulation combined with a geomipmapping lod algorithm. This has obvious limitations as the ocean surface is of a fixed size, but I'm afraid I don't have time at the moment to come up with something slicker. The FFT technique can be used in conjunction with a geoclipmap approach which I think would allow for an endless ocean and would be more usable, so if anyone wants to pitch in with that get in touch as it would be valuable addition and quite easy to slot in. One of the big problems with the design is turning parts of the shader on and off. I've used boolean uniforms for this, but it's messy. Ideally it would be more effecient either to dynamically generate the shader or insert #defines to include or block out bits of code. I suspect the latter would be the easiest to implement but i noticed Hydrax chooses to create them on the fly. I'd love to hear from the more experience OSG programmers about this, as I anticipate that this aspect will get rather complicated quite quickly. I remember there was quite a lot of interest in collaborating, if the will is still there get in touch either by email or here and we'll chat about where we can take it. So have a play and let me know what you think! Regards, Kim.
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